News

Probability cueing of singleton-distractor locations in visual search

Probability cueing of singleton-distractor locations in visual search

Featured, Research
Observers can learn the likely locations of salient distractors in visual search, reducing their potential to capture attention (Ferrante et al., 2018; Sauter et al., 2018a; Wang & Theeuwes, 2018a). While there is agreement that this involves positional suppression of the likely distractor location(s), it is contentious at which stage of search guidance the suppression operates: the supra-dimensional priority map or feature-contrast signals within the distractor dimension. On the latter account, advocated by Sauter et al., target processing should be unaffected by distractor suppression when the target is defined in a different (non-suppressed) dimension to the target. At odds with this, Wang and Theeuwes found strong suppression not only of the (color) distractor, but also of the (shape) target when it appeared at the likely distractor location. Adopting their paradigm,…
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What you see depends on what you hear: temporal averaging and crossmodal integration

What you see depends on what you hear: temporal averaging and crossmodal integration

Featured, Research
In our multisensory world, we often rely more on auditory information than on visual input for temporal processing. One typical demonstration of this is that the rate of auditory flutter assimilates the rate of concurrent visual flicker. To date, however, this auditory dominance effect has largely been studied using regular auditory rhythms. It thus remains unclear whether irregular rhythms would have a similar impact on visual temporal processing, what information is extracted from the auditory sequence that comes to influence visual timing, and how the auditory and visual temporal rates are integrated together in quantitative terms. We investigated these questions by assessing, and modeling, the influence of a task-irrelevant auditory sequence on the type of "Ternus apparent motion": group motion versus element motion. The type of motion seen critically depends…
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Inter-trial effects in visual search

Inter-trial effects in visual search

Featured, Research
Many previous studies on visual search have reported inter-trial effects, that is, observers respond faster when some target property, such as a defining feature or dimension, or the response associated with the target repeats versus changes across consecutive trial episodes. However, what processes drive these inter-trial effects is still controversial. Here, we investigated this question using a combination of Bayesian modeling of belief updating and evidence accumulation modeling in perceptual decision-making. In three visual singleton ('pop-out') search experiments, we explored how the probability of the response-critical states of the search display (e.g., target presence/absence) and the repetition/switch of the target-defining dimension (color/ orientation) affect reaction time distributions. The results replicated the mean reaction time (RT) inter-trial and dimension repetition/switch effects that have been reported in previous studies. Going beyond this,…
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A Postdoc Position available in a newly funded Sino-German research project

Lab News
One post-doctoral position is available at the Department of Psychology, LMU Munich, Germany. The position is funded by a Sino-German bilateral research collaborative project - Value-driven crossmodal attention, available for a period of 3 years. The aim of the project is to uncover behavioural characteristics and the underlying neural signatures and brain networks of value-driven crossmodal attention, using EEG and fMRI. In this project, we will closely collaborate with our research partner from Peking University (Prof. Xiaolin Zhou and Prof. Lihan Chen) on various studies. Requirements We are looking for a candidate with a PhD degree, or equivalent, in the field of cognitive neuroscience, psychology, or related fields who has expertise in psychophysical research of multisensory perception and attention. Further, you should demonstrate a solid interest in research on selective…
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Escape room!

Escape room!

Lab News
Yes, after one hour, both teams from MSense lab successfully escaped the rooms! Had a lot of fun! November 2018    Escape room     Our team members worked together and successfully figured out the puzzles based on a series of consecutive clues that eventually lead us out of the room with a code.from left to right: Cemere, Bei, Rasmus, Monica, Strongway, Fredrik, Bing, Jan, Fiona, Lingyue Before the game, we were all very curious, a little scared, but also excited. A hand-drawn group photo by Cemre 
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Sequential dependence and Vierordt’s law

Sequential dependence and Vierordt’s law

Featured, Research
Perceptual bias caused by sequential dependence has attracted lots of attention recently. The phenomenon is not new. For example, 150 years ago Vierordt has found a classic central tendency effect using duration reproduction. However, recently Stefan Glasauer and me looked into the original study conducted by Vierordt (1868), and found actually Vierordt wrongly used the method developed by Fechner (1860). That is, Vieordt introduced randomization in the 'method of average error' that Fechner invented. Using iterative Bayesian updating we are able to replicate the original Vierordt's results. More interestingly, we found that the randomization is the main factor that causes the classic Vierordt's law. That is, the short duration is often overestimated and long duration underestimated. We conducted a new study with two different sequences, sampled from the same distribution,…
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Visual Search and Selective Attention (VSSA IV)

Visual Search and Selective Attention (VSSA IV)

Lab News
A wonderful experience in Visual Search and Selective Attention (VSSA IV), AMMERSEE, MUNICH, GERMANY (13.07 – 16.07.2018) VSSA  is one of the most important International Symposium in the cognitive neuro-sciences. Over the past decades, VSSA has become a core topic in the cognitive neuro-sciences, sparking an abundance of methodological and theoretical advances. In fact, the recent years have seen an exponential increase in published articles with keywords ‘visual search’, ‘visual attention’, and ‘visual working memory’! Thus, while there is a rapidly expanding research output, this engenders a growing need to keep the field together. To contribute to the latter is the main purpose of our symposium series, that is, (i) to bring together a group of world-leading scientists engaged in the field of VSSA, (ii)  who represent different theoretical stances and methodological approaches, (iii) the aim…
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Farewell party

Farewell party

Lab News
"Life is a series of hellos and goodbyes." - Billy Joel It is sad for us that Linda (Xuelian) and Leo are leaving, but it is also a new chapter for Linda and Leo. Good luck with your new job and new career!
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